Commit a1f613f1 authored by Cyrille Pitchen's avatar Cyrille Pitchen Committed by Herbert Xu

crypto: atmel-aes - fix atmel_aes_handle_queue()

This patch fixes the value returned by atmel_aes_handle_queue(), which
could have been wrong previously when the crypto request was started
synchronously but became asynchronous during the ctx->start() call.
Signed-off-by: default avatarCyrille Pitchen <cyrille.pitchen@atmel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 81d8750b
...@@ -879,6 +879,7 @@ static int atmel_aes_handle_queue(struct atmel_aes_dev *dd, ...@@ -879,6 +879,7 @@ static int atmel_aes_handle_queue(struct atmel_aes_dev *dd,
struct crypto_async_request *areq, *backlog; struct crypto_async_request *areq, *backlog;
struct atmel_aes_base_ctx *ctx; struct atmel_aes_base_ctx *ctx;
unsigned long flags; unsigned long flags;
bool start_async;
int err, ret = 0; int err, ret = 0;
spin_lock_irqsave(&dd->lock, flags); spin_lock_irqsave(&dd->lock, flags);
...@@ -904,10 +905,12 @@ static int atmel_aes_handle_queue(struct atmel_aes_dev *dd, ...@@ -904,10 +905,12 @@ static int atmel_aes_handle_queue(struct atmel_aes_dev *dd,
dd->areq = areq; dd->areq = areq;
dd->ctx = ctx; dd->ctx = ctx;
dd->is_async = (areq != new_areq); start_async = (areq != new_areq);
dd->is_async = start_async;
/* WARNING: ctx->start() MAY change dd->is_async. */
err = ctx->start(dd); err = ctx->start(dd);
return (dd->is_async) ? ret : err; return (start_async) ? ret : err;
} }
......
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